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author | Glauber Costa <gcosta@redhat.com> | 2008-03-25 22:36:32 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 19:19:56 +0200 |
commit | 4d92fbf231fe23ec07d18820a141c573a7f5017a (patch) | |
tree | 13187ca7d82f2356e22b6ba4a2cef12dcd95d976 /include/asm-x86/dma-mapping.h | |
parent | x86: move alloc and free coherent to common header (diff) | |
download | linux-4d92fbf231fe23ec07d18820a141c573a7f5017a.tar.xz linux-4d92fbf231fe23ec07d18820a141c573a7f5017a.zip |
x86: move dma_map_page and dma_unmap_page to common header
They are similar enough to do this move.
the macro version is ugly, and we use inline functions instead.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
-rw-r--r-- | include/asm-x86/dma-mapping.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 3ea3802ff1aa..b5a413acac96 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -169,4 +169,18 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, flush_write_buffers(); } + +static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, + size_t offset, size_t size, + int direction) +{ + return dma_map_single(dev, page_address(page)+offset, size, direction); +} + +static inline void dma_unmap_page(struct device *dev, dma_addr_t addr, + size_t size, int direction) +{ + dma_unmap_single(dev, addr, size, direction); +} + #endif |